[INFO] fetching crate autodiff 0.4.0...
[INFO] testing autodiff-0.4.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate autodiff 0.4.0 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate autodiff 0.4.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate autodiff 0.4.0
[INFO] finished tweaking crates.io crate autodiff 0.4.0
[INFO] tweaked toml for crates.io crate autodiff 0.4.0 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate crates.io crate autodiff 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5496c0d12793ace8e3c9fd0d1038d49eb1118ebe61d7c5fdeb53f3fe988bfe96
[INFO] running `Command { std: "docker" "start" "-a" "5496c0d12793ace8e3c9fd0d1038d49eb1118ebe61d7c5fdeb53f3fe988bfe96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5496c0d12793ace8e3c9fd0d1038d49eb1118ebe61d7c5fdeb53f3fe988bfe96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5496c0d12793ace8e3c9fd0d1038d49eb1118ebe61d7c5fdeb53f3fe988bfe96", kill_on_drop: false }`
[INFO] [stdout] 5496c0d12793ace8e3c9fd0d1038d49eb1118ebe61d7c5fdeb53f3fe988bfe96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0597e182af78a23f40967222a5cc3f2a016c18ba28dd6db6fe9bcf58d6e6638c
[INFO] running `Command { std: "docker" "start" "-a" "0597e182af78a23f40967222a5cc3f2a016c18ba28dd6db6fe9bcf58d6e6638c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling autodiff v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.35s
[INFO] running `Command { std: "docker" "inspect" "0597e182af78a23f40967222a5cc3f2a016c18ba28dd6db6fe9bcf58d6e6638c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0597e182af78a23f40967222a5cc3f2a016c18ba28dd6db6fe9bcf58d6e6638c", kill_on_drop: false }`
[INFO] [stdout] 0597e182af78a23f40967222a5cc3f2a016c18ba28dd6db6fe9bcf58d6e6638c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e64404c350a614a35b6bd9e5a3b4292803c7e1e4dd3b28cb0cf2d9e6221fa83d
[INFO] running `Command { std: "docker" "start" "-a" "e64404c350a614a35b6bd9e5a3b4292803c7e1e4dd3b28cb0cf2d9e6221fa83d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling cgmath v0.18.0
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling approx v0.5.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling autodiff v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.47s
[INFO] running `Command { std: "docker" "inspect" "e64404c350a614a35b6bd9e5a3b4292803c7e1e4dd3b28cb0cf2d9e6221fa83d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e64404c350a614a35b6bd9e5a3b4292803c7e1e4dd3b28cb0cf2d9e6221fa83d", kill_on_drop: false }`
[INFO] [stdout] e64404c350a614a35b6bd9e5a3b4292803c7e1e4dd3b28cb0cf2d9e6221fa83d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 86c7f3a73045a922a0a9f01f0c74073fb05887ed714cfecf20113d133faeefcd
[INFO] running `Command { std: "docker" "start" "-a" "86c7f3a73045a922a0a9f01f0c74073fb05887ed714cfecf20113d133faeefcd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/autodiff-5e5e23b10a636758)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test forward_autodiff::tests::basic_arithmetic_test ... ok
[INFO] [stdout] test forward_autodiff::tests::cbrt ... ok
[INFO] [stdout] test forward_autodiff::tests::min_max_test ... ok
[INFO] [stdout] test forward_autodiff::tests::quadratic ... ok
[INFO] [stdout] test forward_autodiff::tests::sqrt ... ok
[INFO] [stdout] test forward_autodiff::tests::sum_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/autodiff.rs (/opt/rustwide/target/debug/deps/autodiff-4b92577e8d0a1e09)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test num_test ... ok
[INFO] [stdout] test simple_test ... ok
[INFO] [stdout] test grad_test ... ok
[INFO] [stdout] test random_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests autodiff
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - (line 49) ... ok
[INFO] [stdout] test src/forward_autodiff.rs - forward_autodiff::diff (line 1403) ... ok
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/forward_autodiff.rs - forward_autodiff::grad (line 1426) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "86c7f3a73045a922a0a9f01f0c74073fb05887ed714cfecf20113d133faeefcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86c7f3a73045a922a0a9f01f0c74073fb05887ed714cfecf20113d133faeefcd", kill_on_drop: false }`
[INFO] [stdout] 86c7f3a73045a922a0a9f01f0c74073fb05887ed714cfecf20113d133faeefcd